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    Spherical Niobium Powder

    Spherical Niobium Powder
  • Spherical Niobium Powder
  • Spherical Niobium Powder
  • Spherical Niobium Powder
  • Spherical Niobium Powder
  • Niobium Powder

    Niobium is a lustrous, grey, ductile, paramagnetic metal. Like tantalum, niobium also features outstanding chemical and oxidation resistance. Niobium powder can be added to iron or nickel to produce alloys in the aerospace, medical and electronics industries. 90% niobium powder is used to produce high-grade structural steel, followed by its use in superalloys.

     

    Niobium Powder Features

    • Physical properties: Light gray powder, Excellent melting point and corrosion resistance

    • Application: Used as additive of alloy and production of welding electrode

    Niobium Powder for Metallurgical Purpose

    Grade FNb-1 FNb-2 FNb-3 FXNb-1 FXNb-2 FXNb-3
    Nb+Ta,%,Minimum - - 98 - - -
    Impurity content ,%,max Ta 0.2 0.5 - 0.1 0.2 0.3
    O 0.2 0.2 0.5 0.3 0.35 0.5
    H 0.005 0.005 0.01 0.005 0.01 0.01
    N 0.04 0.06 - 0.02 0.04 0.05
    C 0.05 0.05 0.08 0.02 0.04 0.04
    Fe 0.01 0.05 - 0.01 0.02 0.03
    Si 0.005 0.01 - 0.005 0.01 0.01
    Ni 0.005 0.005 - 0.005 0.01 0.01
    Cr 0.005 - - 0.005 0.01 0.01
    W 0.005 0.01 - 0.005 0.01 0.01
    Mo 0.003 0.005 - 0.005 0.01 0.01
    Ti 0.003 0.005 - 0.005 0.01 0.01
    Mn 0.003 0.005 - 0.005 0.01 0.01
    Cu 0.003 0.005 - 0.003 0.006 0.006
    Al       0.003 0.006 0.006
    P - - 0.01 - - -
    S - - 0.01 - - -
    Sieve mesh -100mesh, -80mesh, -325meh
    Re-inspected plus sieve powder shall be less than5%
    Special requirements to be agreed upon by the supplier and buyer

     

    Spherical Niobium Powder

    AEM’s spherical Niobium metal powder is also a material for 3D printing. It can produce the metal objects directly with high density and accurate shape by DMLS (direct metal laser sintering), which is a typical 3D printing technique. The combination of low oxygen content, spherical shape and excellent flowability makes our powders perfectly printable and contributes to achieve outstanding characteristics of 3D printed parts.
     

    Physical Properties of Spherical Niobium Powder

    Size  15-53 um/45-106 um
    Shape Spherical shape
    Melting point 2477℃
    Apparet density  ≥4.6 g/cm3
    Tap density  ≥5.7 g/cm3
    Hall flow rate  ≤15 s/50g

     

    Chemical Composition of Spherical Niobium Powder

    Chemical Composition - by ICP-AES
    Element Nb Cu W Mo Fe Ni
    Value (%) ≥99.9 <0.001 <0.005 <0.003 <0.005 <0.002
    Element Cr Ti Ta Al Mn Si
    Value (%) <0.002 <0.002 <0.05 <0.002 <0.002 <0.001
    Gas Impurities
    Element C O 
    Value (%) ≤0.01 0.001 

     

    Features of Spherical Niobium Powder

    - Extremely low Oxygen Content;
    - High tap density;
    - Spherical shape with smooth surfaces;
    - Very good flowability.

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